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Other Comprehensive Income | 3 Months Ended
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Mar. 31, 2018
Equity [Abstract] |
Other Comprehensive Income | (6) Other Comprehensive Income The following table presents the changes in each component of accumulated other comprehensive income (loss), net of tax.
|  | For the Three-Month Period Ended |  |  | For the Three-Month Period Ended |
|  | March 31, 2018(a) |  |  | March 31, 2017(a) |
|  | Unrealized Gains and Losses on Available-for- Sale Securities |  |  | Defined Benefit Pension Items |  |  | Total |  |  | Unrealized Gains and Losses on Available-for- Sale Securities |  |  | Defined Benefit Pension Items |  |  | Total |
Beginning balance |  | $ | 3,185 |  |  | $ | (4,309 | ) |  | $ | (1,124 | ) |  | $ | 2,008 |  |  | $ | (4,345 | ) |  | $ | (2,337 | )
Other comprehensive income before reclassifications |  |  | (2,539 | ) |  |  | — |  |  |  | (2,539 | ) |  |  | 299 |  |  |  | — |  |  |  | 299 |
Amounts reclassified from accumulated other comprehensive loss |  |  | — |  |  |  | 113 |  |  |  | 113 |  |  |  | — |  |  |  | 62 |  |  |  | 62 |
Net current-period other comprehensive income |  |  | (2,539 | ) |  |  | 113 |  |  |  | (2,426 | ) |  |  | 299 |  |  |  | 62 |  |  |  | 361 |
Reclassification of equity securities from accumulated other comprehensive loss |  |  | (278 | ) |  |  | — |  |  |  | (278 | ) |  |  | — |  |  |  | — |  |  |  | — |
Ending balance |  | $ | 368 |  |  | $ | (4,196 | ) |  | $ | (3,828 | ) |  | $ | 2,307 |  |  | $ | (4,283 | ) |  | $ | (1,976 | )
(a) | Amounts in parentheses indicate debits on the consolidated balance sheets.
The following table presents the amounts reclassified out of each component of accumulated other comprehensive income (loss).
|  | Amount Reclassified from Accumulated Other Comprehensive Income (Loss) (a) |  |  |
Details about Accumulated Other Comprehensive (Loss) Components |  | For the three months ended March 31, 2018 |  |  | For the three months ended March 31, 2017 |  |  | Affected Line Item in the Statement Where Net Income is Presented
Amortization of defined benefit pension items |  |  |  |  |  |  |  |  |  |
Actuarial gains/(losses) (b) |  |  | (143 | ) |  |  | (94 | ) |  | Other operating expenses
Tax effect |  |  | 30 |  |  |  | 32 |  |  | Income tax expense
|  |  | (113 | ) |  |  | (62 | ) |  | Net of tax
Total reclassifications for the period |  | $ | (113 | ) |  | $ | (62 | ) |  | Net of tax
(a) | Amounts in parentheses indicate expenses/losses and other amounts indicate income/benefit.
(b) | These accumulated other comprehensive income components are included in the computation of net periodic pension cost.

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 + Details
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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration